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Riverbank Lupine | Lupinus rivularis

River lupine is a rapidly growing sub shrub that produces beautiful two toned pea-like flowers that range from deep purple to creamy white. Flowers bloom from March to July. The stems are reddish- brown and become woody at times. Leaves are well spaced throughout the stem with 5-9 leaflets.


Plant Details

HabitatsRiparian Forests
Habitat NotesFound only in Pacific Northwest riparian areas, marshes, stream banks, and moist meadows.
Mature Height1.5-2
Shade Preferencefull sun, part shade
Soil Tolerancemoist to wet fine textured soil
Special UsesEndangered species list in Canada